Feb 7, 2013 3:00pm PST
he was interrupted until senator feinstein finally had to clear the room. >> okay, we're going to halt the hearing. i'm going to ask that the room be cleared and associates not allowed back in. we've done this five times now and five times are enough. we'll recess for a few minutes. >> jennifer: when the hearings resumeed brennon told senators that drone strikes do meet rigorous standard. the rob is that reliable information is hard to come by. the strikes are happening in dangerous and remote areas of pakistan and somalia. the best information comes from the new america foundation and they report that since brennon became the top adviser drone strikes have killed over 1500 people and 143 of those 1500 have been identified as civilians in credible news reports. our government's estimates are highly classified. in the senate only dianne feinstein's intelligence committee has been briefed but feinstein has long argued that based on those briefings civilian casualties are very low. here she is in 2011. >> the collateral damage is greatly reduced beyond what you may read in the press.